Nicolai Nicolajsen, son of Nicolai Nicolajsen and Bollette Marie Berentine Lexau, was born on March 14, 1804 in Bergen and died in 1875 at the age of 70. He married Vibeche Janson, daughter of Henrich Janson and Georgine Johanne Nagel,. She was born on May 16, 1805 and died in February 1872 in Lysekloster at the age of 66.